Our phones can access the world’s information, record beautiful photos and HD video, and even keep us entertained with thousands of games, yet text messaging with groups of people to this point has been far beyond the capabilities of our humble devices. Unlike email, there is no “reply-all” button for texting, and a single message sent to five people will quickly devolve into five fragmented conversations. Luckily, GroupMe [ iTunes ] is here to save the day.